Operating system courses can help you learn process management, memory allocation, file systems, and user interfaces. You can build skills in troubleshooting system errors, optimizing performance, and implementing security protocols. Many courses introduce tools like Linux, Windows, and virtualization software, illustrating how these skills are applied in real-world environments.

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, Virtual Networking, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Test Script Development, Software Testing, Scenario Testing, Test Automation, Regression Testing, Continuous Integration, Test Tools, CI/CD, Frontend Performance, Test Engineering, Browser Compatibility, Continuous Delivery, GitLab, Debugging, User Interface (UI), Scalability, Context Management, Authentications
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: HubSpot CRM, Team Building, Customer Relationship Management (CRM) Software, Team Management, Customer Relationship Management, Email Automation, Business Reporting, Marketing Automation, Email Marketing, Sales Development, Customer Service
Beginner · Guided Project · Less Than 2 Hours

Queen Mary University of London
Skills you'll gain: Stakeholder Management, Stakeholder Engagement, Change Management, Stakeholder Communications, Professional Networking, Matrix Management, Organizational Change, Organizational Leadership, Stakeholder Analysis, Leadership, Organizational Structure, Leadership Development, Team Leadership, Influencing, Professional Development, Organizational Strategy, Relationship Building, Personal Development, Branding, Storytelling
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Process Controls, Kaizen Methodology, Customer Relationship Management, Six Sigma Methodology, Quality Management, Lean Methodologies, Quality Monitoring, Continuous Quality Improvement (CQI), Quality Management Systems, Continuous Improvement Process, Operational Excellence, Quality Improvement, Process Improvement, Software Quality Assurance, Lean Six Sigma, Customer experience strategy (CX), Quality Control, Supplier Quality Management, Production Management, Product Quality (QA/QC)
Beginner · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Performance Appraisal, Training Programs, Talent Recruitment, Recruitment, Training and Development, Employee Onboarding, Performance Review, Employee Training, Leadership Studies, Talent Acquisition, Workforce Development, Human Resources, Business Ethics, Human Resources Management and Planning, Conflict Management, Organizational Leadership, Organizational Development, Organizational Structure, Organizational Effectiveness, Team Leadership
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Medical Terminology, Obstetrics And Gynecology, Urology, Gynecology, Urinalysis, Anatomy, General Medical Tests and Procedures, Medical Records, Pathology, Diagnostic Tests, Health Information Management and Medical Records, Physiology, Nephrology, Maternal Health
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Stress Management, Staff Management, Employee Engagement, Occupational Health, Productivity, Mental Health, Cultural Diversity
Advanced · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Model Evaluation, Feature Engineering, Data Science, Data Analysis, Business Analytics, Data Literacy, Statistical Methods, Predictive Analytics, Predictive Modeling, Data-Driven Decision-Making, Regression Analysis, Statistical Analysis, Business Intelligence, Machine Learning Methods, Machine Learning, Data Cleansing, Exploratory Data Analysis, Data Preprocessing, Classification Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retail Management, Retail Store Operations, Retail Sales, Merchandising, Customer Analysis, Market Intelligence, Business Strategies, Competitive Analysis, Business Management, Organizational Strategy, Consumer Behaviour, Inventory Management System, Market Analysis, Case Studies, Market Share, Strategic Decision-Making, Sustainable Business, Intellectual Property, Financial Analysis, Geographic Information Systems
Beginner · Specialization · 1 - 3 Months

Starweaver
Skills you'll gain: High Voltage, Power Electronics, Electronic Systems, Electrical Systems, Energy and Utilities, Control Systems, Test Equipment, Electric Power Systems, Hardware Troubleshooting, Sustainable Technologies, Failure Analysis, Test Tools
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Classification And Regression Tree (CART), Probability & Statistics, AI Personalization, Statistical Software, Regression Analysis, Model Evaluation, Data-Driven Decision-Making, Data Ethics, Unsupervised Learning, Statistical Modeling, Data Visualization, Customer Analysis, Statistical Analysis, Predictive Analytics, Anomaly Detection, Statistical Hypothesis Testing, Advanced Analytics, Machine Learning
Intermediate · Specialization · 3 - 6 Months